[3.7] bpo-34391: Fix ftplib test for TLS 1.3 (GH-8787) (GH-8789)
Read from data socket to avoid "[SSL] shutdown while in init" exception
during shutdown of the dummy server.
Signed-off-by: Christian Heimes <christian@python.org>
<!-- issue-number: [bpo-34391](https://www.bugs.python.org/issue34391) -->
https://bugs.python.org/issue34391
<!-- /issue-number -->
(cherry picked from commit 1590c393360df059160145e7475754427bfc6680)
Co-authored-by: Christian Heimes <christian@python.org>
diff --git a/Lib/test/test_ftplib.py b/Lib/test/test_ftplib.py
index f9488a9..da8ba32 100644
--- a/Lib/test/test_ftplib.py
+++ b/Lib/test/test_ftplib.py
@@ -880,18 +880,23 @@
# clear text
with self.client.transfercmd('list') as sock:
self.assertNotIsInstance(sock, ssl.SSLSocket)
+ self.assertEqual(sock.recv(1024), LIST_DATA.encode('ascii'))
self.assertEqual(self.client.voidresp(), "226 transfer complete")
# secured, after PROT P
self.client.prot_p()
with self.client.transfercmd('list') as sock:
self.assertIsInstance(sock, ssl.SSLSocket)
+ # consume from SSL socket to finalize handshake and avoid
+ # "SSLError [SSL] shutdown while in init"
+ self.assertEqual(sock.recv(1024), LIST_DATA.encode('ascii'))
self.assertEqual(self.client.voidresp(), "226 transfer complete")
# PROT C is issued, the connection must be in cleartext again
self.client.prot_c()
with self.client.transfercmd('list') as sock:
self.assertNotIsInstance(sock, ssl.SSLSocket)
+ self.assertEqual(sock.recv(1024), LIST_DATA.encode('ascii'))
self.assertEqual(self.client.voidresp(), "226 transfer complete")
def test_login(self):